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【单选题】
氏模量实验步骤正确顺序是 ( ) 1放好光杠杆; 2调节望远镜; 3调节氏弹性模量仪底脚螺丝,使水准仪气泡居中; 4金属丝加初始负载,并调节金属丝上圆柱体位置; 5依次增加砝码,读取相应数值n 1 , n 2 , ......,n 7 ;A.
①②④③⑤
B.
①③④②⑤
C.
③④①②⑤
D.
④①③②⑤
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【单选题】Pour moi, ______ amitié est quelque chose d’essentiel dans la vie.
A.
de la
B.
l’
C.
d’
D.
de l’
【单选题】The taxi driver was put in prison because his car had knocked down a child. His wife went to ______ prison to see him twice a month.
A.
/ /
B.
the the
C.
/ the
D.
the /
【单选题】Rain abates in the fall throughout most of the Appalachian Mountain region.
A.
pours
B.
accumulates
C.
lessens
D.
evaporates
【简答题】A man and his wife had a dog to keep their house. When they went out, they always the dog inside the house. One evening they wanted to go to the cinema, they left the dog in the house and locked the ...
【简答题】Mr. Green and his wife had a dog. When they went out, they always left the dog inside the house. One evening they wanted to go to the cinema, so they left the dog in the house and locked the door and ...
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